{"title":"西美酮和N-乙酰半胱氨酸改善上消化道内窥镜检查粘膜能见度的用药前：一项随机对照试验。","authors":"Zaheer Nabi, Mohan Vamsi, Rajesh Goud, Mahiboob Sayyed, Jahangeer Basha, Palle Manohar Reddy, Rithesh Reddy, Praveen Reddy, Chaithanya Manchu, Santosh Darisetty, Rajesh Gupta, Manu Tandan, Guduru Venkat Rao, D Nageshwar Reddy","doi":"10.1007/s12664-023-01459-0","DOIUrl":null,"url":null,"abstract":"<p><strong>Background and aim: </strong>Diagnostic performance of esophagogastroduodenoscopy (EGD) may be compromized due to adherent mucus and foam. In this study, we aimed at assessing the impact of premedication on mucosal visibility during endoscopy.</p><p><strong>Methods: </strong>This is a double-blinded (patient and investigator), randomized trial conducted at a tertiary care centre. Patients were randomized into four groups: A (water), B (simethicone [S]), C (N-acetyl cysteine [NAC]), D (S + NAC). Premedication solutions were administered 10-30 minutes before endoscopy and mucosal visibility graded from 1 (best) to 4 (worst) (1 best, 4 worst). Total mucosal visibility scores (TMVS) from six sites ranged from 6 (best) to 24 (worst) points. The primary outcome of study was comparison of TMVS between simethicone and combination (S + NAC) premedication groups. Secondary outcomes were adverse events and impact of endoscopy timing on TMVS.</p><p><strong>Results: </strong>Total 800 patients (39 years, 68.8% males) were randomized into four groups. Median TMVS were significantly lower in groups B (7 [6-8]) and D (8 [6-9]) as compared to A (11 [9-13]) and C (10 [8-12]). Proportion of cases with adequate gastric mucosal visibility (score < 7) was 26% in group A, 71% in group B, 36% in group C and 79% in group D. There was no difference in TMVS in groups A and C (p = 0.137). TMVS were significantly lower in late (> 20-30 minutes) vs. early (10-20 minutes) endoscopy sub-group (8 [7-11] vs, 9 ([7-11], p = 0.001). However, TMVS were similar between group B and group D in early endoscopy group (p = 0.451). There was no significant difference in the lesion detection rate among the different premedication drugs (p > 0.05).</p><p><strong>Conclusions: </strong>Premedication with simethicone or combination (simethicone and NAC) significantly improves mucosal visibility during EGD. If early endoscopy is indicated, simethicone provides similar mucosal visibility and may be an effective alternative to combined premedication.</p><p><strong>Trial registration: </strong>NCT05951712.</p>","PeriodicalId":13404,"journal":{"name":"Indian Journal of Gastroenterology","volume":" ","pages":"986-994"},"PeriodicalIF":2.0000,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Pre-medication with simethicone and N-acetyl cysteine for improving mucosal visibility during upper gastrointestinal endoscopy: A randomized controlled trial.\",\"authors\":\"Zaheer Nabi, Mohan Vamsi, Rajesh Goud, Mahiboob Sayyed, Jahangeer Basha, Palle Manohar Reddy, Rithesh Reddy, Praveen Reddy, Chaithanya Manchu, Santosh Darisetty, Rajesh Gupta, Manu Tandan, Guduru Venkat Rao, D Nageshwar Reddy\",\"doi\":\"10.1007/s12664-023-01459-0\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background and aim: </strong>Diagnostic performance of esophagogastroduodenoscopy (EGD) may be compromized due to adherent mucus and foam. In this study, we aimed at assessing the impact of premedication on mucosal visibility during endoscopy.</p><p><strong>Methods: </strong>This is a double-blinded (patient and investigator), randomized trial conducted at a tertiary care centre. Patients were randomized into four groups: A (water), B (simethicone [S]), C (N-acetyl cysteine [NAC]), D (S + NAC). Premedication solutions were administered 10-30 minutes before endoscopy and mucosal visibility graded from 1 (best) to 4 (worst) (1 best, 4 worst). Total mucosal visibility scores (TMVS) from six sites ranged from 6 (best) to 24 (worst) points. The primary outcome of study was comparison of TMVS between simethicone and combination (S + NAC) premedication groups. Secondary outcomes were adverse events and impact of endoscopy timing on TMVS.</p><p><strong>Results: </strong>Total 800 patients (39 years, 68.8% males) were randomized into four groups. Median TMVS were significantly lower in groups B (7 [6-8]) and D (8 [6-9]) as compared to A (11 [9-13]) and C (10 [8-12]). Proportion of cases with adequate gastric mucosal visibility (score < 7) was 26% in group A, 71% in group B, 36% in group C and 79% in group D. There was no difference in TMVS in groups A and C (p = 0.137). TMVS were significantly lower in late (> 20-30 minutes) vs. early (10-20 minutes) endoscopy sub-group (8 [7-11] vs, 9 ([7-11], p = 0.001). However, TMVS were similar between group B and group D in early endoscopy group (p = 0.451). There was no significant difference in the lesion detection rate among the different premedication drugs (p > 0.05).</p><p><strong>Conclusions: </strong>Premedication with simethicone or combination (simethicone and NAC) significantly improves mucosal visibility during EGD. If early endoscopy is indicated, simethicone provides similar mucosal visibility and may be an effective alternative to combined premedication.</p><p><strong>Trial registration: </strong>NCT05951712.</p>\",\"PeriodicalId\":13404,\"journal\":{\"name\":\"Indian Journal of Gastroenterology\",\"volume\":\" \",\"pages\":\"986-994\"},\"PeriodicalIF\":2.0000,\"publicationDate\":\"2024-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Indian Journal of Gastroenterology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1007/s12664-023-01459-0\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2023/10/18 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q3\",\"JCRName\":\"GASTROENTEROLOGY & HEPATOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Indian Journal of Gastroenterology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/s12664-023-01459-0","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2023/10/18 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"GASTROENTEROLOGY & HEPATOLOGY","Score":null,"Total":0}
Pre-medication with simethicone and N-acetyl cysteine for improving mucosal visibility during upper gastrointestinal endoscopy: A randomized controlled trial.
Background and aim: Diagnostic performance of esophagogastroduodenoscopy (EGD) may be compromized due to adherent mucus and foam. In this study, we aimed at assessing the impact of premedication on mucosal visibility during endoscopy.
Methods: This is a double-blinded (patient and investigator), randomized trial conducted at a tertiary care centre. Patients were randomized into four groups: A (water), B (simethicone [S]), C (N-acetyl cysteine [NAC]), D (S + NAC). Premedication solutions were administered 10-30 minutes before endoscopy and mucosal visibility graded from 1 (best) to 4 (worst) (1 best, 4 worst). Total mucosal visibility scores (TMVS) from six sites ranged from 6 (best) to 24 (worst) points. The primary outcome of study was comparison of TMVS between simethicone and combination (S + NAC) premedication groups. Secondary outcomes were adverse events and impact of endoscopy timing on TMVS.
Results: Total 800 patients (39 years, 68.8% males) were randomized into four groups. Median TMVS were significantly lower in groups B (7 [6-8]) and D (8 [6-9]) as compared to A (11 [9-13]) and C (10 [8-12]). Proportion of cases with adequate gastric mucosal visibility (score < 7) was 26% in group A, 71% in group B, 36% in group C and 79% in group D. There was no difference in TMVS in groups A and C (p = 0.137). TMVS were significantly lower in late (> 20-30 minutes) vs. early (10-20 minutes) endoscopy sub-group (8 [7-11] vs, 9 ([7-11], p = 0.001). However, TMVS were similar between group B and group D in early endoscopy group (p = 0.451). There was no significant difference in the lesion detection rate among the different premedication drugs (p > 0.05).
Conclusions: Premedication with simethicone or combination (simethicone and NAC) significantly improves mucosal visibility during EGD. If early endoscopy is indicated, simethicone provides similar mucosal visibility and may be an effective alternative to combined premedication.
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The Indian Journal of Gastroenterology aims to help doctors everywhere practise better medicine and to influence the debate on gastroenterology. To achieve these aims, we publish original scientific studies, state-of -the-art special articles, reports and papers commenting on the clinical, scientific and public health factors affecting aspects of gastroenterology. We shall be delighted to receive articles for publication in all of these categories and letters commenting on the contents of the Journal or on issues of interest to our readers.
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